LTC1164ACSW#TRPBF

Overview

The LTC1164ACSW#TRPBF is a low power, low noise quad universal filter building block manufactured by Analog Devices Inc. It integrates four independent second-order switched-capacitor filter sections within a single 24-lead plastic SO package (SW). The device operates from dual power supplies ranging from ±2.37V to ±8V and typically consumes 850µA per section. Each section supports center frequency tuning via an external clock with ratios of 50:1 or 100:1, enabling center frequencies from 0.1Hz to 20kHz for Q values below 5. Cascading the four sections allows for the realization of up to eighth-order filters, including Butterworth, Cauer, Bessel, and Chebyshev topologies.

Feature Summary

• Integrates four independent second-order switched-capacitor filter building blocks in a compact package
• Supports multiple filter functions including lowpass, highpass, bandpass, and notch configurations
• Features adjustable clock-to-center frequency ratios of 50:1 and 100:1 for precise tuning
• Delivers low noise performance with wide output swing capabilities

Applications

• Antialiasing filters
• Telecom signal processing
• Spectral analysis systems
• Loop filters

Procurement Notes

Verify that the ordering suffix #TRPBF corresponds to tape and reel packaging when sourcing components. Confirm the AC grade temperature range specifications against the specific application requirements. Ensure compatibility with the 24-lead SW package footprint during procurement planning.

Selection Notes

Select this component when designing applications requiring multiple filter stages within a limited board area. Consider the device's switched-capacitor nature and clock feedthrough characteristics relative to the input signal spectrum. Evaluate the required Q factor and center frequency range to ensure operation within the specified limits for the chosen clock ratio mode.

Part Context

This part belongs to the LTC1164 family of universal filter building blocks. The AC suffix indicates an extended commercial temperature range compared to standard variants. The SW package designation identifies the specific 24-lead plastic small outline form factor used for surface mount assembly.

Replacement Considerations

The N24 package is listed as an alternate source option. Verify pinout compatibility and thermal characteristics before substituting other packages or obsolete versions.